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u-boot-a20-olinuxinomicro.25197
0016-usb-Add-nonblock-argument-to-submit.patch
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File 0016-usb-Add-nonblock-argument-to-submit.patch of Package u-boot-a20-olinuxinomicro.25197
From 74bb1a91f91fdb767c3eb339c80f8b42bce30c2e Mon Sep 17 00:00:00 2001 From: Michal Suchanek <msuchanek@suse.de> Date: Sun, 18 Aug 2019 10:55:27 +0200 Subject: [PATCH] usb: Add nonblock argument to submit_int_msg This will be used to implement non-blocking keyboard polling in case of errors. Signed-off-by: Michal Suchanek <msuchanek@suse.de> (cherry picked from commit 3437121c037f502a3b0faaec97059777034a1ead) Signed-off-by: Matthias Brugger <mbrugger@suse.com> --- common/usb.c | 9 ++++++--- common/usb_kbd.c | 4 ++-- common/usb_storage.c | 2 +- drivers/usb/emul/sandbox_keyb.c | 3 ++- drivers/usb/emul/usb-emul-uclass.c | 6 ++++-- drivers/usb/host/dwc2.c | 13 ++++++++----- drivers/usb/host/ehci-hcd.c | 13 ++++++++----- drivers/usb/host/ohci-hcd.c | 4 ++-- drivers/usb/host/sl811-hcd.c | 2 +- drivers/usb/host/usb-sandbox.c | 5 +++-- drivers/usb/host/usb-uclass.c | 5 +++-- drivers/usb/host/xhci.c | 13 ++++++++----- drivers/usb/musb-new/musb_uboot.c | 12 +++++++----- include/usb.h | 9 +++++---- 14 files changed, 60 insertions(+), 40 deletions(-) diff --git a/common/usb.c b/common/usb.c index 14b2752139..d9bcb5a57e 100644 --- a/common/usb.c +++ b/common/usb.c @@ -192,12 +192,15 @@ int usb_disable_asynch(int disable) */ /* - * submits an Interrupt Message + * submits an Interrupt Message. Some drivers may implement non-blocking + * polling: when non-block is true and the device is not responding return + * -EAGAIN instead of waiting for device to respond. */ int usb_int_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int transfer_len, int interval) + void *buffer, int transfer_len, int interval, bool nonblock) { - return submit_int_msg(dev, pipe, buffer, transfer_len, interval); + return submit_int_msg(dev, pipe, buffer, transfer_len, interval, + nonblock); } /* diff --git a/common/usb_kbd.c b/common/usb_kbd.c index 8d518d3fc8..097af06d38 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -318,7 +318,7 @@ static inline void usb_kbd_poll_for_event(struct usb_device *dev) /* Submit a interrupt transfer request */ if (usb_int_msg(dev, data->intpipe, &data->new[0], - data->intpktsize, data->intinterval) >= 0) + data->intpktsize, data->intinterval, true) >= 0) usb_kbd_irq_worker(dev); #elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) || \ defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE) @@ -482,7 +482,7 @@ static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum) 1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE) < 0) { #else if (usb_int_msg(dev, data->intpipe, data->new, data->intpktsize, - data->intinterval) < 0) { + data->intinterval, false) < 0) { #endif printf("Failed to get keyboard state from device %04x:%04x\n", dev->descriptor.idVendor, dev->descriptor.idProduct); diff --git a/common/usb_storage.c b/common/usb_storage.c index 9a4155c08a..54f8e53c63 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -651,7 +651,7 @@ static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us) us->ip_wanted = 1; usb_int_msg(us->pusb_dev, us->irqpipe, - (void *)&us->ip_data, us->irqmaxp, us->irqinterval); + (void *)&us->ip_data, us->irqmaxp, us->irqinterval, false); timeout = 1000; while (timeout--) { if (us->ip_wanted == 0) diff --git a/drivers/usb/emul/sandbox_keyb.c b/drivers/usb/emul/sandbox_keyb.c index 635945179e..dc43880d27 100644 --- a/drivers/usb/emul/sandbox_keyb.c +++ b/drivers/usb/emul/sandbox_keyb.c @@ -178,7 +178,8 @@ static int sandbox_keyb_control(struct udevice *dev, struct usb_device *udev, } static int sandbox_keyb_interrupt(struct udevice *dev, struct usb_device *udev, - unsigned long pipe, void *buffer, int length, int interval) + unsigned long pipe, void *buffer, int length, int interval, + bool nonblock) { struct sandbox_keyb_priv *priv = dev_get_priv(dev); uint8_t *data = buffer; diff --git a/drivers/usb/emul/usb-emul-uclass.c b/drivers/usb/emul/usb-emul-uclass.c index 973981545b..50da6bda8e 100644 --- a/drivers/usb/emul/usb-emul-uclass.c +++ b/drivers/usb/emul/usb-emul-uclass.c @@ -245,7 +245,8 @@ int usb_emul_bulk(struct udevice *emul, struct usb_device *udev, } int usb_emul_int(struct udevice *emul, struct usb_device *udev, - unsigned long pipe, void *buffer, int length, int interval) + unsigned long pipe, void *buffer, int length, int interval, + bool nonblock) { struct dm_usb_ops *ops = usb_get_emul_ops(emul); @@ -253,7 +254,8 @@ int usb_emul_int(struct udevice *emul, struct usb_device *udev, return -ENOSYS; debug("%s: dev=%s\n", __func__, emul->name); - return ops->interrupt(emul, udev, pipe, buffer, length, interval); + return ops->interrupt(emul, udev, pipe, buffer, length, interval, + nonblock); } int usb_emul_setup_device(struct udevice *dev, struct usb_string *strings, diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c index a62a2f8a95..bc6166283c 100644 --- a/drivers/usb/host/dwc2.c +++ b/drivers/usb/host/dwc2.c @@ -1108,7 +1108,8 @@ static int _submit_control_msg(struct dwc2_priv *priv, struct usb_device *dev, } int _submit_int_msg(struct dwc2_priv *priv, struct usb_device *dev, - unsigned long pipe, void *buffer, int len, int interval) + unsigned long pipe, void *buffer, int len, int interval, + bool nonblock) { unsigned long timeout; int ret; @@ -1236,9 +1237,10 @@ int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int len, int interval) + int len, int interval, bool nonblock) { - return _submit_int_msg(&local, dev, pipe, buffer, len, interval); + return _submit_int_msg(&local, dev, pipe, buffer, len, interval, + nonblock); } /* U-Boot USB control interface */ @@ -1292,13 +1294,14 @@ static int dwc2_submit_bulk_msg(struct udevice *dev, struct usb_device *udev, static int dwc2_submit_int_msg(struct udevice *dev, struct usb_device *udev, unsigned long pipe, void *buffer, int length, - int interval) + int interval, bool nonblock) { struct dwc2_priv *priv = dev_get_priv(dev); debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev); - return _submit_int_msg(priv, udev, pipe, buffer, length, interval); + return _submit_int_msg(priv, udev, pipe, buffer, length, interval, + nonblock); } static int dwc2_usb_ofdata_to_platdata(struct udevice *dev) diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 4b28db70a5..61a61abb21 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1482,7 +1482,8 @@ out: } static int _ehci_submit_int_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int length, int interval) + void *buffer, int length, int interval, + bool nonblock) { void *backbuffer; struct int_queue *queue; @@ -1532,9 +1533,10 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } int submit_int_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int length, int interval) + void *buffer, int length, int interval, bool nonblock) { - return _ehci_submit_int_msg(dev, pipe, buffer, length, interval); + return _ehci_submit_int_msg(dev, pipe, buffer, length, interval, + nonblock); } struct int_queue *create_int_queue(struct usb_device *dev, @@ -1576,10 +1578,11 @@ static int ehci_submit_bulk_msg(struct udevice *dev, struct usb_device *udev, static int ehci_submit_int_msg(struct udevice *dev, struct usb_device *udev, unsigned long pipe, void *buffer, int length, - int interval) + int interval, bool nonblock) { debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev); - return _ehci_submit_int_msg(udev, pipe, buffer, length, interval); + return _ehci_submit_int_msg(udev, pipe, buffer, length, interval, + nonblock); } static struct int_queue *ehci_create_int_queue(struct udevice *dev, diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 3b6f889f7b..2645b64b0e 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1702,7 +1702,7 @@ int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, int interval) + int transfer_len, int interval, bool nonblock) { info("submit_int_msg"); return submit_common_msg(&gohci, dev, pipe, buffer, transfer_len, NULL, @@ -2151,7 +2151,7 @@ static int ohci_submit_bulk_msg(struct udevice *dev, struct usb_device *udev, static int ohci_submit_int_msg(struct udevice *dev, struct usb_device *udev, unsigned long pipe, void *buffer, int length, - int interval) + int interval, bool nonblock) { ohci_t *ohci = dev_get_priv(usb_get_bus(dev)); diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index daba0dcd1a..e08da6130b 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -384,7 +384,7 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int len, int interval) + int len, int interval, bool nonblock) { PDEBUG(0, "dev = %p pipe = %#lx buf = %p size = %d int = %d\n", dev, pipe, buffer, len, interval); diff --git a/drivers/usb/host/usb-sandbox.c b/drivers/usb/host/usb-sandbox.c index ff9d5b7231..28ee4b093b 100644 --- a/drivers/usb/host/usb-sandbox.c +++ b/drivers/usb/host/usb-sandbox.c @@ -99,7 +99,7 @@ static int sandbox_submit_bulk(struct udevice *bus, struct usb_device *udev, static int sandbox_submit_int(struct udevice *bus, struct usb_device *udev, unsigned long pipe, void *buffer, int length, - int interval) + int interval, bool nonblock) { struct udevice *emul; int ret; @@ -110,7 +110,8 @@ static int sandbox_submit_int(struct udevice *bus, struct usb_device *udev, usbmon_trace(bus, pipe, NULL, emul); if (ret) return ret; - ret = usb_emul_int(emul, udev, pipe, buffer, length, interval); + ret = usb_emul_int(emul, udev, pipe, buffer, length, interval, + nonblock); return ret; } diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c index 611ea97a72..e566d218d6 100644 --- a/drivers/usb/host/usb-uclass.c +++ b/drivers/usb/host/usb-uclass.c @@ -31,7 +31,7 @@ int usb_disable_asynch(int disable) } int submit_int_msg(struct usb_device *udev, unsigned long pipe, void *buffer, - int length, int interval) + int length, int interval, bool nonblock) { struct udevice *bus = udev->controller_dev; struct dm_usb_ops *ops = usb_get_ops(bus); @@ -39,7 +39,8 @@ int submit_int_msg(struct usb_device *udev, unsigned long pipe, void *buffer, if (!ops->interrupt) return -ENOSYS; - return ops->interrupt(bus, udev, pipe, buffer, length, interval); + return ops->interrupt(bus, udev, pipe, buffer, length, interval, + nonblock); } int submit_control_msg(struct usb_device *udev, unsigned long pipe, diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 44c5f2d264..b3e4dcd66f 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1109,7 +1109,8 @@ unknown: * @return 0 */ static int _xhci_submit_int_msg(struct usb_device *udev, unsigned long pipe, - void *buffer, int length, int interval) + void *buffer, int length, int interval, + bool nonblock) { if (usb_pipetype(pipe) != PIPE_INTERRUPT) { printf("non-interrupt pipe (type=%lu)", usb_pipetype(pipe)); @@ -1277,9 +1278,10 @@ int submit_bulk_msg(struct usb_device *udev, unsigned long pipe, void *buffer, } int submit_int_msg(struct usb_device *udev, unsigned long pipe, void *buffer, - int length, int interval) + int length, int interval, bool nonblock) { - return _xhci_submit_int_msg(udev, pipe, buffer, length, interval); + return _xhci_submit_int_msg(udev, pipe, buffer, length, interval, + nonblock); } /** @@ -1386,10 +1388,11 @@ static int xhci_submit_bulk_msg(struct udevice *dev, struct usb_device *udev, static int xhci_submit_int_msg(struct udevice *dev, struct usb_device *udev, unsigned long pipe, void *buffer, int length, - int interval) + int interval, bool nonblock) { debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev); - return _xhci_submit_int_msg(udev, pipe, buffer, length, interval); + return _xhci_submit_int_msg(udev, pipe, buffer, length, interval, + nonblock); } static int xhci_alloc_device(struct udevice *dev, struct usb_device *udev) diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c index 9c8cc6e584..9eb593402e 100644 --- a/drivers/usb/musb-new/musb_uboot.c +++ b/drivers/usb/musb-new/musb_uboot.c @@ -110,7 +110,7 @@ static int _musb_submit_bulk_msg(struct musb_host_data *host, static int _musb_submit_int_msg(struct musb_host_data *host, struct usb_device *dev, unsigned long pipe, - void *buffer, int len, int interval) + void *buffer, int len, int interval, bool nonblock) { construct_urb(&host->urb, &host->hep, dev, USB_ENDPOINT_XFER_INT, pipe, buffer, len, NULL, interval); @@ -268,9 +268,10 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, } int submit_int_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int length, int interval) + void *buffer, int length, int interval, bool nonblock) { - return _musb_submit_int_msg(&musb_host, dev, pipe, buffer, length, interval); + return _musb_submit_int_msg(&musb_host, dev, pipe, buffer, length, + interval, nonblock); } struct int_queue *create_int_queue(struct usb_device *dev, @@ -320,10 +321,11 @@ static int musb_submit_bulk_msg(struct udevice *dev, struct usb_device *udev, static int musb_submit_int_msg(struct udevice *dev, struct usb_device *udev, unsigned long pipe, void *buffer, int length, - int interval) + int interval, bool nonblock) { struct musb_host_data *host = dev_get_priv(dev); - return _musb_submit_int_msg(host, udev, pipe, buffer, length, interval); + return _musb_submit_int_msg(host, udev, pipe, buffer, length, interval, + nonblock); } static struct int_queue *musb_create_int_queue(struct udevice *dev, diff --git a/include/usb.h b/include/usb.h index 0d38d8333a..bcad552f85 100644 --- a/include/usb.h +++ b/include/usb.h @@ -184,7 +184,7 @@ int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, struct devrequest *setup); int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, int interval); + int transfer_len, int interval, bool nonblock); #if defined CONFIG_USB_EHCI_HCD || defined CONFIG_USB_MUSB_HOST \ || CONFIG_IS_ENABLED(DM_USB) @@ -262,7 +262,7 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, void *data, int len, int *actual_length, int timeout); int usb_int_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int transfer_len, int interval); + void *buffer, int transfer_len, int interval, bool nonblock); int usb_disable_asynch(int disable); int usb_maxpacket(struct usb_device *dev, unsigned long pipe); int usb_get_configuration_no(struct usb_device *dev, int cfgno, @@ -708,7 +708,7 @@ struct dm_usb_ops { */ int (*interrupt)(struct udevice *bus, struct usb_device *udev, unsigned long pipe, void *buffer, int length, - int interval); + int interval, bool nonblock); /** * create_int_queue() - Create and queue interrupt packets @@ -1029,7 +1029,8 @@ int usb_emul_bulk(struct udevice *emul, struct usb_device *udev, * @return 0 if OK, -ve on error */ int usb_emul_int(struct udevice *emul, struct usb_device *udev, - unsigned long pipe, void *buffer, int length, int interval); + unsigned long pipe, void *buffer, int length, int interval, + bool nonblock); /** * usb_emul_find() - Find an emulator for a particular device
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